Device for locking sealing interface of maintenance window

Abstract

A device for locking a sealing interface of a maintenance window is provided, which includes: at least one articulated mechanism for hinging a cover plate and a shell of the maintenance window together; and at least one wrench component which is movably mounted on the cover plate and locks the cover plate and the shell in a rotary clamping manner. In addition, the device may further include a sealing element which is fixedly connected with the cover plate and the shell. the device implements locking of the sealing interface of the maintenance window in hinge and clamping manners, and the device is simple and rapid in operation, high in reliability and small in occupied space and may be widely applied to the technical field of communication equipment and other equipment.

1 . A device for locking a sealing interface of a maintenance window, comprising:
 at least one articulated mechanism ( 4 ) for hinging a cover plate ( 1 ) and a shell ( 2 ) of the maintenance window together; and   at least one wrench component which is movably mounted on the cover plate ( 1 ) and used for locking the cover plate ( 1 ) and the shell ( 2 ) in a rotary clamping manner.   
     
     
         2 . The device according to  claim 1 , further comprising:
 a sealing element ( 5 ) which is fixedly connected with the cover plate ( 1 ) and the shell ( 2 ).   
     
     
         3 . The device according to  claim 1 , wherein the wrench component comprises:
 at least one first dowel ( 61 ) which is fixedly mounted on a front wall of the cover plate ( 1 ) and of which one end is exposed;   at least one second dowel ( 62 ) which is fixedly mounted on a front wall of the shell ( 2 ) and of which one end is exposed; and   a wrench ( 3 ) which is movably connected with the cover plate ( 1 ) through the first dowel ( 61 ) and may rotate around the first dowel ( 61 ).   
     
     
         4 . The device according to  claim 3 , wherein the wrench ( 3 ) comprises:
 a wrench body with a clamping part ( 31 ) and a limiting locking part ( 32 ), in which a dowel hole ( 33 ) butted with the first dowel ( 61 ) is formed.   
     
     
         5 . The device according to  claim 4 , wherein the clamping part ( 31 ) comprises:
 a clamping groove ( 311 ) for clamping the second dowel ( 62 ); and   a clamping bump ( 312 ) which is arranged at a side end of the clamping groove ( 311 ) to prevent the second dowel ( 62 ) from being separated.   
     
     
         6 . The device according to  claim 4 , wherein a threaded through hole ( 34 ) is formed in the limiting locking part ( 32 ), wherein
 a screw ( 7 ) penetrating through the threaded through hole ( 34 ) is fixed with the cover plate ( 1 ) after the wrench ( 3 ) locks the cover plate ( 1 ) and the shell ( 2 ) through the screw ( 7 ).   
     
     
         7 . The device according to  claim 1 , wherein the articulated mechanism ( 4 ) comprises:
 a hinge element ( 41 ), which is provided with a hinging part ( 411 ); and   a pin shaft ( 42 ) connected with the hinge element ( 41 ) in a rotating manner, wherein   a limiting groove ( 412 ) is formed in the hinging part ( 411 ), a limiting table ( 421 ) fitted with the limiting groove ( 412 ) is arranged on the pin shaft ( 42 ), and the cover plate ( 1 ) is limited relative to the shell ( 2 ) after being opened via clamping of the limiting table ( 421 ) and the limiting groove ( 412 ).   
     
     
         8 . The device according to  claim 7 , wherein fastening holes ( 43 ) are formed in the hinge element ( 41 ) and the pin shaft ( 42 ) respectively. 
     
     
         9 . The device according to  claim 1 , wherein there are two wrench components. 
     
     
         10 . The device according to  claim 1 , wherein there are two articulated mechanisms ( 4 ). 
     
     
         11 . The device according to  claim 2 , wherein the wrench component comprises:
 at least one first dowel ( 61 ) which is fixedly mounted on a front wall of the cover plate ( 1 ) and of which one end is exposed;   at least one second dowel ( 62 ) which is fixedly mounted on a front wall of the shell ( 2 ) and of which one end is exposed; and   a wrench ( 3 ) which is movably connected with the cover plate ( 1 ) through the first dowel ( 61 ) and may rotate around the first dowel ( 61 ).   
     
     
         12 . The device according to  claim 2 , wherein the articulated mechanism ( 4 ) comprises:
 a hinge element ( 41 ), which is provided with a hinging part ( 411 ); and   a pin shaft ( 42 ) connected with the hinge element ( 41 ) in a rotating manner, wherein   a limiting groove ( 412 ) is formed in the hinging part ( 411 ), a limiting table ( 421 ) fitted with the limiting groove ( 412 ) is arranged on the pin shaft ( 42 ), and the cover plate ( 1 ) is limited relative to the shell ( 2 ) after being opened via clamping of the limiting table ( 421 ) and the limiting groove ( 412 ).   
     
     
         13 . The device according to  claim 2 , wherein there are two wrench components. 
     
     
         14 . The device according to  claim 2 , wherein there are two articulated mechanisms ( 4 ).